I ended it right where my skin folded which is on the upper edge of the bone. I suppose the skin will fold in different locations with everyone but if you can leave some of you own hair and attach at the skin fold you will get the most comfortable and secure attachment.

I have no idea if they are the same material but understand it will always be thicker/heavier because you have 2 layers - lace and poly. This leaves a very deep ledge that you can feel and see. I suppose if you have a high density unit it will be less visible but I think mine is 60% if I remember right.

That 1" below the bone is a huge problem with regards to attaching. I bet no matter how you attach it, it will be difficult to hold properly.

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As a side note with regards to leaving some of you own hair - God help anyone that see's me if I have to go the hospital or get caught without the full cap on because it looks absolutely ridiculous and scary, very emotional the first time you shave off most you own hair!